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/*
* firewall3 - 3rd OpenWrt UCI firewall implementation
*
* Copyright (C) 2013 Jo-Philipp Wich <jow@openwrt.org>
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef __FW3_UTILS_H
#define __FW3_UTILS_H
#include <stdlib.h>
#include <stdbool.h>
#include <unistd.h>
#include <signal.h>
#include <fcntl.h>
#include <sys/stat.h>
#include <sys/wait.h>
#include <sys/file.h>
#include <libubox/list.h>
#include <uci.h>
#define FW3_STATEFILE "/var/run/fw3.lock"
void warn_elem(struct uci_element *e, const char *format, ...);
void warn(const char *format, ...);
void error(const char *format, ...);
void info(const char *format, ...);
#define fw3_foreach(p, h) \
for (p = list_empty(h) ? NULL : list_first_entry(h, typeof(*p), list); \
list_empty(h) ? (p == NULL) : (&p->list != (h)); \
p = list_empty(h) ? list_first_entry(h, typeof(*p), list) \
: list_entry(p->list.next, typeof(*p), list))
static inline void
fw3_free_list(struct list_head *list)
{
struct list_head *cur, *tmp;
list_for_each_safe(cur, tmp, list)
{
list_del(cur);
free(cur);
}
}
#define fw3_is_family(p, f) \
(!p || p->family == FW3_FAMILY_ANY || p->family == f)
const char * fw3_find_command(const char *cmd);
bool fw3_stdout_pipe(void);
bool __fw3_command_pipe(bool silent, const char *command, ...);
#define fw3_command_pipe(...) __fw3_command_pipe(__VA_ARGS__, NULL)
void fw3_command_close(void);
void fw3_pr(const char *fmt, ...);
bool fw3_has_table(bool ipv6, const char *table);
bool fw3_check_statefile(bool test_exists);
void fw3_remove_statefile(void);
void fw3_close_statefile(void);
#endif
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